How to configure a checkbox to select dropdown values

[Marlon5C96]

Hello,

I am working on Adobe Acrobat pro 2020 and I would like some help configuring a checklist I am making. 
I am making a checklist and I currently have multiple dropboxes with the results either "Pass", "Fail" or (Blank) by default. The blank is just a 3rd option with a single space.

I would like to include a single checkbox at the beginning of the list which would automatically select "Pass" for all dropdowns and the (blank) option if unchecked.

Thank you so much for your help!

[Nesa Nurani]

What are dropdown field names?

[Marlon5C96]

There are about 20 drop-down fields with specific names like "cable" and "sensor" and "door".